经口气管插管的留置时间一般不超过多长时间().
A.72小时
B.5天
C.7天
D.10天
E.24小时
参考答案:C
中央处理器的主要作用是运算和显示。
-I'd like Johnson to take the job.
-He is____ . Better not add to his workload.
A.out of place
B.out of order
C.out of shape
D.out of question